llvm-6502/lib/Target/PIC16/PIC16TargetMachine.cpp
2009-07-18 23:03:22 +00:00

74 lines
2.5 KiB
C++

//===-- PIC16TargetMachine.cpp - Define TargetMachine for PIC16 -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Top-level implementation for the PIC16 target.
//
//===----------------------------------------------------------------------===//
#include "PIC16.h"
#include "PIC16TargetAsmInfo.h"
#include "PIC16TargetMachine.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
// Register the targets
static RegisterTarget<PIC16TargetMachine>
X(ThePIC16Target, "pic16", "PIC16 14-bit [experimental].");
static RegisterTarget<CooperTargetMachine>
Y(TheCooperTarget, "cooper", "PIC16 Cooper [experimental].");
// Force static initialization.
extern "C" void LLVMInitializePIC16Target() {
TargetRegistry::RegisterAsmPrinter(ThePIC16Target,
&createPIC16CodePrinterPass);
TargetRegistry::RegisterAsmPrinter(TheCooperTarget,
&createPIC16CodePrinterPass);
}
// PIC16TargetMachine - Traditional PIC16 Machine.
PIC16TargetMachine::PIC16TargetMachine(const Target &T, const Module &M,
const std::string &FS, bool Cooper)
: LLVMTargetMachine(T),
Subtarget(M, FS, Cooper),
DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
InstrInfo(*this), TLInfo(*this),
FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }
// CooperTargetMachine - Uses the same PIC16TargetMachine, but makes IsCooper
// as true.
CooperTargetMachine::CooperTargetMachine(const Target &T, const Module &M,
const std::string &FS)
: PIC16TargetMachine(T, M, FS, true) {}
const TargetAsmInfo *PIC16TargetMachine::createTargetAsmInfo() const {
return new PIC16TargetAsmInfo(*this);
}
bool PIC16TargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
// Install an instruction selector.
PM.add(createPIC16ISelDag(*this));
return false;
}
bool PIC16TargetMachine::addPostRegAlloc(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
PM.add(createPIC16MemSelOptimizerPass());
return true; // -print-machineinstr should print after this.
}